#define _CRT_SECURE_NO_WARNINGS 1
#include"duotai.h"

void test1()
{
	//soider s;
	////Preson* ptr = new student();
	////ptr->identity();

	//Preson& ptr =s;
	//ptr.identity();
}

void test2()
{
	Person* ptr = new Student();
	ptr->func();
}

int main()
{
	test2();
	return 0;
}
